1. Tsheb thauj mus los
1) Qhov kev thauj mus los ntawm chord yog rau lub tsheb thauj khoom.
2) Lub sijhawm thau khoom thau khoom thiab thau khoom, tus fender yuav tsum khaws cia kom huv thiab yuav tsum tsis txhob tsoo. Nws yuav tsum tsis txhob muab lo, daig los yog ntaus nrog cov khoom tawv, thiab tus fender yuav tsum muab tso kom khov.
3) Cov khoom tso rau yuav tsum ua kom ruaj khov thiab ruaj khov, xyuas kom cov khoom tsis muaj chaw los yog xoob thaum lub sijhawm kev thauj mus los tag nrho.
4) Tom qab cov khoom xa tuaj rau qhov chaw uas tau xaiv, tshem tawm lub tsheb nrog cov khoom nqa kom tsim nyog kom tsis txhob muaj kev puas tsuaj thiab sib tsoo.
2. Cia khoom
1) Thaum khaws cov khoom siv roj hmab fender, zam lub hnub ncaj qha, tsis txhob nag thiab daus, thiab zam kev tiv thaiv nrog cov kua qaub, alkalis, roj thiab cov kuab tshuaj organic; ua kom qhov kub thiab txias ntawm -15 ° C-40 ° C ntawm 1 m deb ntawm qhov chaw kub. Cov.
2) Lub chaw ntim khoom fender yog kwv yees li 400 square meter.
